What is a catalyst?

A substance that provides a convenient pathway for a reaction to occur requiring less energy than the activation energy of the reaction.

TD
Answered by Tutor598438 D. Chemistry tutor

1989 Views

See similar Chemistry GCSE tutors

Related Chemistry GCSE answers

All answers ▸

Why does the reactivity of group 7 elements decrease down the periodic table?


What is the First Law of Thermodynamics?


Describe one similarity and one difference between the structures of diamond and graphite.


Explain why chloride and bromide are in the same group in the period table. Also describe the electronic structures of both.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning